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Commit | Line | Data |
---|---|---|
6aa33f40 LT |
1 | /* |
2 | * ident.c | |
3 | * | |
4 | * create git identifier lines of the form "name <email> date" | |
5 | * | |
6 | * Copyright (C) 2005 Linus Torvalds | |
7 | */ | |
8 | #include "cache.h" | |
b2141fc1 | 9 | #include "config.h" |
88c7b4c3 | 10 | #include "date.h" |
dc88e349 | 11 | #include "mailmap.h" |
6aa33f40 | 12 | |
8587ead7 JK |
13 | static struct strbuf git_default_name = STRBUF_INIT; |
14 | static struct strbuf git_default_email = STRBUF_INIT; | |
c33ddc2e | 15 | static struct strbuf git_default_date = STRBUF_INIT; |
39ab4d09 WH |
16 | static struct strbuf git_author_name = STRBUF_INIT; |
17 | static struct strbuf git_author_email = STRBUF_INIT; | |
18 | static struct strbuf git_committer_name = STRBUF_INIT; | |
19 | static struct strbuf git_committer_email = STRBUF_INIT; | |
19ce497c | 20 | static int default_email_is_bogus; |
92bcbb9b | 21 | static int default_name_is_bogus; |
45280230 | 22 | |
4d5c2956 DA |
23 | static int ident_use_config_only; |
24 | ||
45280230 JK |
25 | #define IDENT_NAME_GIVEN 01 |
26 | #define IDENT_MAIL_GIVEN 02 | |
27 | #define IDENT_ALL_GIVEN (IDENT_NAME_GIVEN|IDENT_MAIL_GIVEN) | |
d6991cee JK |
28 | static int committer_ident_explicitly_given; |
29 | static int author_ident_explicitly_given; | |
4d5c2956 | 30 | static int ident_config_given; |
6aa33f40 | 31 | |
590e081d RG |
32 | #ifdef NO_GECOS_IN_PWENT |
33 | #define get_gecos(ignored) "&" | |
34 | #else | |
35 | #define get_gecos(struct_passwd) ((struct_passwd)->pw_gecos) | |
36 | #endif | |
37 | ||
92bcbb9b | 38 | static struct passwd *xgetpwuid_self(int *is_bogus) |
e850194c JK |
39 | { |
40 | struct passwd *pw; | |
41 | ||
42 | errno = 0; | |
43 | pw = getpwuid(getuid()); | |
92bcbb9b JK |
44 | if (!pw) { |
45 | static struct passwd fallback; | |
46 | fallback.pw_name = "unknown"; | |
47 | #ifndef NO_GECOS_IN_PWENT | |
48 | fallback.pw_gecos = "Unknown"; | |
49 | #endif | |
50 | pw = &fallback; | |
51 | if (is_bogus) | |
52 | *is_bogus = 1; | |
53 | } | |
e850194c JK |
54 | return pw; |
55 | } | |
56 | ||
8587ead7 | 57 | static void copy_gecos(const struct passwd *w, struct strbuf *name) |
e9bacb4f | 58 | { |
8587ead7 | 59 | char *src; |
e9bacb4f JH |
60 | |
61 | /* Traditionally GECOS field had office phone numbers etc, separated | |
62 | * with commas. Also & stands for capitalized form of the login name. | |
63 | */ | |
64 | ||
8587ead7 | 65 | for (src = get_gecos(w); *src && *src != ','; src++) { |
e9bacb4f | 66 | int ch = *src; |
8587ead7 JK |
67 | if (ch != '&') |
68 | strbuf_addch(name, ch); | |
69 | else { | |
e9bacb4f | 70 | /* Sorry, Mr. McDonald... */ |
8587ead7 JK |
71 | strbuf_addch(name, toupper(*w->pw_name)); |
72 | strbuf_addstr(name, w->pw_name + 1); | |
e9bacb4f JH |
73 | } |
74 | } | |
e9bacb4f JH |
75 | } |
76 | ||
8587ead7 | 77 | static int add_mailname_host(struct strbuf *buf) |
8a55caa8 JN |
78 | { |
79 | FILE *mailname; | |
dc342a25 | 80 | struct strbuf mailnamebuf = STRBUF_INIT; |
8a55caa8 | 81 | |
e9d983f1 NTND |
82 | mailname = fopen_or_warn("/etc/mailname", "r"); |
83 | if (!mailname) | |
8a55caa8 | 84 | return -1; |
e9d983f1 | 85 | |
1f3b1efd | 86 | if (strbuf_getline(&mailnamebuf, mailname) == EOF) { |
8a55caa8 | 87 | if (ferror(mailname)) |
a26f4ed6 | 88 | warning_errno("cannot read /etc/mailname"); |
dc342a25 | 89 | strbuf_release(&mailnamebuf); |
8a55caa8 JN |
90 | fclose(mailname); |
91 | return -1; | |
92 | } | |
93 | /* success! */ | |
dc342a25 JN |
94 | strbuf_addbuf(buf, &mailnamebuf); |
95 | strbuf_release(&mailnamebuf); | |
8a55caa8 JN |
96 | fclose(mailname); |
97 | return 0; | |
98 | } | |
99 | ||
00bce77f EP |
100 | static int canonical_name(const char *host, struct strbuf *out) |
101 | { | |
102 | int status = -1; | |
103 | ||
104 | #ifndef NO_IPV6 | |
105 | struct addrinfo hints, *ai; | |
106 | memset (&hints, '\0', sizeof (hints)); | |
107 | hints.ai_flags = AI_CANONNAME; | |
108 | if (!getaddrinfo(host, NULL, &hints, &ai)) { | |
c375a7ef | 109 | if (ai && ai->ai_canonname && strchr(ai->ai_canonname, '.')) { |
00bce77f EP |
110 | strbuf_addstr(out, ai->ai_canonname); |
111 | status = 0; | |
112 | } | |
113 | freeaddrinfo(ai); | |
114 | } | |
115 | #else | |
58d29ece | 116 | struct hostent *he = gethostbyname(host); |
00bce77f EP |
117 | if (he && strchr(he->h_name, '.')) { |
118 | strbuf_addstr(out, he->h_name); | |
119 | status = 0; | |
120 | } | |
121 | #endif /* NO_IPV6 */ | |
122 | ||
123 | return status; | |
124 | } | |
125 | ||
19ce497c | 126 | static void add_domainname(struct strbuf *out, int *is_bogus) |
8a55caa8 | 127 | { |
da25bdb7 | 128 | char buf[HOST_NAME_MAX + 1]; |
8a55caa8 | 129 | |
5781a9a2 | 130 | if (xgethostname(buf, sizeof(buf))) { |
a26f4ed6 | 131 | warning_errno("cannot get host name"); |
8587ead7 | 132 | strbuf_addstr(out, "(none)"); |
19ce497c | 133 | *is_bogus = 1; |
8a55caa8 JN |
134 | return; |
135 | } | |
8587ead7 | 136 | if (strchr(buf, '.')) |
f8254d32 | 137 | strbuf_addstr(out, buf); |
5498c57c | 138 | else if (canonical_name(buf, out) < 0) { |
f8254d32 | 139 | strbuf_addf(out, "%s.(none)", buf); |
19ce497c JK |
140 | *is_bogus = 1; |
141 | } | |
8a55caa8 JN |
142 | } |
143 | ||
19ce497c JK |
144 | static void copy_email(const struct passwd *pw, struct strbuf *email, |
145 | int *is_bogus) | |
6aa33f40 | 146 | { |
01754769 JH |
147 | /* |
148 | * Make up a fake email address | |
149 | * (name + '@' + hostname [+ '.' + domainname]) | |
150 | */ | |
8587ead7 JK |
151 | strbuf_addstr(email, pw->pw_name); |
152 | strbuf_addch(email, '@'); | |
153 | ||
154 | if (!add_mailname_host(email)) | |
8a55caa8 | 155 | return; /* read from "/etc/mailname" (Debian) */ |
19ce497c | 156 | add_domainname(email, is_bogus); |
01754769 JH |
157 | } |
158 | ||
9830534e | 159 | const char *ident_default_name(void) |
01754769 | 160 | { |
94425552 | 161 | if (!(ident_config_given & IDENT_NAME_GIVEN) && !git_default_name.len) { |
92bcbb9b | 162 | copy_gecos(xgetpwuid_self(&default_name_is_bogus), &git_default_name); |
be641abd | 163 | strbuf_trim(&git_default_name); |
01754769 | 164 | } |
8587ead7 | 165 | return git_default_name.buf; |
bcb2b004 | 166 | } |
01754769 | 167 | |
bcb2b004 JK |
168 | const char *ident_default_email(void) |
169 | { | |
94425552 | 170 | if (!(ident_config_given & IDENT_MAIL_GIVEN) && !git_default_email.len) { |
46f74f00 MK |
171 | const char *email = getenv("EMAIL"); |
172 | ||
99178c83 | 173 | if (email && email[0]) { |
8587ead7 | 174 | strbuf_addstr(&git_default_email, email); |
d6991cee JK |
175 | committer_ident_explicitly_given |= IDENT_MAIL_GIVEN; |
176 | author_ident_explicitly_given |= IDENT_MAIL_GIVEN; | |
501afcb8 JS |
177 | } else if ((email = query_user_email()) && email[0]) { |
178 | strbuf_addstr(&git_default_email, email); | |
179 | free((char *)email); | |
2f705875 | 180 | } else |
92bcbb9b JK |
181 | copy_email(xgetpwuid_self(&default_email_is_bogus), |
182 | &git_default_email, &default_email_is_bogus); | |
be641abd | 183 | strbuf_trim(&git_default_email); |
01754769 | 184 | } |
8587ead7 | 185 | return git_default_email.buf; |
6aa33f40 LT |
186 | } |
187 | ||
dad148c3 | 188 | static const char *ident_default_date(void) |
6aa33f40 | 189 | { |
c33ddc2e JK |
190 | if (!git_default_date.len) |
191 | datestamp(&git_default_date); | |
192 | return git_default_date.buf; | |
6aa33f40 LT |
193 | } |
194 | ||
4d9c7e6f JK |
195 | void reset_ident_date(void) |
196 | { | |
197 | strbuf_reset(&git_default_date); | |
198 | } | |
199 | ||
6aa33f40 LT |
200 | static int crud(unsigned char c) |
201 | { | |
f64c81d4 AR |
202 | return c <= 32 || |
203 | c == '.' || | |
204 | c == ',' || | |
205 | c == ':' || | |
206 | c == ';' || | |
207 | c == '<' || | |
208 | c == '>' || | |
209 | c == '"' || | |
d404bf02 | 210 | c == '\\' || |
f64c81d4 | 211 | c == '\''; |
6aa33f40 LT |
212 | } |
213 | ||
13b9a24e JK |
214 | static int has_non_crud(const char *str) |
215 | { | |
216 | for (; *str; str++) { | |
217 | if (!crud(*str)) | |
218 | return 1; | |
219 | } | |
220 | return 0; | |
221 | } | |
222 | ||
6aa33f40 LT |
223 | /* |
224 | * Copy over a string to the destination, but avoid special | |
225 | * characters ('\n', '<' and '>') and remove crud at the end | |
226 | */ | |
c96f0c8d | 227 | static void strbuf_addstr_without_crud(struct strbuf *sb, const char *src) |
6aa33f40 | 228 | { |
b0732115 | 229 | size_t i, len; |
6aa33f40 LT |
230 | unsigned char c; |
231 | ||
232 | /* Remove crud from the beginning.. */ | |
233 | while ((c = *src) != 0) { | |
234 | if (!crud(c)) | |
235 | break; | |
236 | src++; | |
237 | } | |
238 | ||
239 | /* Remove crud from the end.. */ | |
240 | len = strlen(src); | |
241 | while (len > 0) { | |
242 | c = src[len-1]; | |
243 | if (!crud(c)) | |
244 | break; | |
245 | --len; | |
246 | } | |
247 | ||
248 | /* | |
249 | * Copy the rest to the buffer, but avoid the special | |
82f9d58a | 250 | * characters '\n' '<' and '>' that act as delimiters on |
c96f0c8d JK |
251 | * an identification line. We can only remove crud, never add it, |
252 | * so 'len' is our maximum. | |
6aa33f40 | 253 | */ |
c96f0c8d | 254 | strbuf_grow(sb, len); |
6aa33f40 LT |
255 | for (i = 0; i < len; i++) { |
256 | c = *src++; | |
257 | switch (c) { | |
258 | case '\n': case '<': case '>': | |
259 | continue; | |
260 | } | |
c96f0c8d | 261 | sb->buf[sb->len++] = c; |
6aa33f40 | 262 | } |
c96f0c8d | 263 | sb->buf[sb->len] = '\0'; |
6aa33f40 LT |
264 | } |
265 | ||
4b340cfa JH |
266 | /* |
267 | * Reverse of fmt_ident(); given an ident line, split the fields | |
268 | * to allow the caller to parse it. | |
269 | * Signal a success by returning 0, but date/tz fields of the result | |
270 | * can still be NULL if the input line only has the name/email part | |
271 | * (e.g. reading from a reflog entry). | |
272 | */ | |
273 | int split_ident_line(struct ident_split *split, const char *line, int len) | |
274 | { | |
275 | const char *cp; | |
276 | size_t span; | |
277 | int status = -1; | |
278 | ||
279 | memset(split, 0, sizeof(*split)); | |
280 | ||
281 | split->name_begin = line; | |
282 | for (cp = line; *cp && cp < line + len; cp++) | |
283 | if (*cp == '<') { | |
284 | split->mail_begin = cp + 1; | |
285 | break; | |
286 | } | |
287 | if (!split->mail_begin) | |
288 | return status; | |
289 | ||
d9955fd6 | 290 | for (cp = split->mail_begin - 2; line <= cp; cp--) |
4b340cfa JH |
291 | if (!isspace(*cp)) { |
292 | split->name_end = cp + 1; | |
293 | break; | |
294 | } | |
e27ddb64 JH |
295 | if (!split->name_end) { |
296 | /* no human readable name */ | |
297 | split->name_end = split->name_begin; | |
298 | } | |
4b340cfa JH |
299 | |
300 | for (cp = split->mail_begin; cp < line + len; cp++) | |
301 | if (*cp == '>') { | |
302 | split->mail_end = cp; | |
303 | break; | |
304 | } | |
305 | if (!split->mail_end) | |
306 | return status; | |
307 | ||
03818a4a JK |
308 | /* |
309 | * Look from the end-of-line to find the trailing ">" of the mail | |
310 | * address, even though we should already know it as split->mail_end. | |
311 | * This can help in cases of broken idents with an extra ">" somewhere | |
312 | * in the email address. Note that we are assuming the timestamp will | |
313 | * never have a ">" in it. | |
314 | * | |
315 | * Note that we will always find some ">" before going off the front of | |
316 | * the string, because will always hit the split->mail_end closing | |
317 | * bracket. | |
318 | */ | |
319 | for (cp = line + len - 1; *cp != '>'; cp--) | |
320 | ; | |
321 | ||
322 | for (cp = cp + 1; cp < line + len && isspace(*cp); cp++) | |
4b340cfa JH |
323 | ; |
324 | if (line + len <= cp) | |
325 | goto person_only; | |
326 | split->date_begin = cp; | |
327 | span = strspn(cp, "0123456789"); | |
328 | if (!span) | |
329 | goto person_only; | |
330 | split->date_end = split->date_begin + span; | |
331 | for (cp = split->date_end; cp < line + len && isspace(*cp); cp++) | |
332 | ; | |
333 | if (line + len <= cp || (*cp != '+' && *cp != '-')) | |
334 | goto person_only; | |
335 | split->tz_begin = cp; | |
336 | span = strspn(cp + 1, "0123456789"); | |
337 | if (!span) | |
338 | goto person_only; | |
339 | split->tz_end = split->tz_begin + 1 + span; | |
340 | return 0; | |
341 | ||
342 | person_only: | |
343 | split->date_begin = NULL; | |
344 | split->date_end = NULL; | |
345 | split->tz_begin = NULL; | |
346 | split->tz_end = NULL; | |
347 | return 0; | |
348 | } | |
349 | ||
dc88e349 SA |
350 | /* |
351 | * Returns the difference between the new and old length of the ident line. | |
352 | */ | |
353 | static ssize_t rewrite_ident_line(const char *person, size_t len, | |
354 | struct strbuf *buf, | |
355 | struct string_list *mailmap) | |
356 | { | |
357 | size_t namelen, maillen; | |
358 | const char *name; | |
359 | const char *mail; | |
360 | struct ident_split ident; | |
361 | ||
362 | if (split_ident_line(&ident, person, len)) | |
363 | return 0; | |
364 | ||
365 | mail = ident.mail_begin; | |
366 | maillen = ident.mail_end - ident.mail_begin; | |
367 | name = ident.name_begin; | |
368 | namelen = ident.name_end - ident.name_begin; | |
369 | ||
370 | if (map_user(mailmap, &mail, &maillen, &name, &namelen)) { | |
371 | struct strbuf namemail = STRBUF_INIT; | |
372 | size_t newlen; | |
373 | ||
374 | strbuf_addf(&namemail, "%.*s <%.*s>", | |
375 | (int)namelen, name, (int)maillen, mail); | |
376 | ||
377 | strbuf_splice(buf, ident.name_begin - buf->buf, | |
378 | ident.mail_end - ident.name_begin + 1, | |
379 | namemail.buf, namemail.len); | |
380 | newlen = namemail.len; | |
381 | ||
382 | strbuf_release(&namemail); | |
383 | ||
384 | return newlen - (ident.mail_end - ident.name_begin); | |
385 | } | |
386 | ||
387 | return 0; | |
388 | } | |
389 | ||
66a8a953 SA |
390 | void apply_mailmap_to_header(struct strbuf *buf, const char **header, |
391 | struct string_list *mailmap) | |
dc88e349 SA |
392 | { |
393 | size_t buf_offset = 0; | |
394 | ||
395 | if (!mailmap) | |
396 | return; | |
397 | ||
398 | for (;;) { | |
399 | const char *person, *line; | |
400 | size_t i; | |
401 | int found_header = 0; | |
402 | ||
403 | line = buf->buf + buf_offset; | |
404 | if (!*line || *line == '\n') | |
405 | return; /* End of headers */ | |
406 | ||
407 | for (i = 0; header[i]; i++) | |
408 | if (skip_prefix(line, header[i], &person)) { | |
409 | const char *endp = strchrnul(person, '\n'); | |
410 | found_header = 1; | |
411 | buf_offset += endp - line; | |
412 | buf_offset += rewrite_ident_line(person, endp - person, buf, mailmap); | |
413 | break; | |
414 | } | |
415 | ||
416 | if (!found_header) { | |
417 | buf_offset = strchrnul(line, '\n') - buf->buf; | |
418 | if (buf->buf[buf_offset] == '\n') | |
419 | buf_offset++; | |
420 | } | |
421 | } | |
422 | } | |
9ed104e5 JH |
423 | |
424 | static void ident_env_hint(enum want_ident whose_ident) | |
425 | { | |
426 | switch (whose_ident) { | |
427 | case WANT_AUTHOR_IDENT: | |
428 | fputs(_("Author identity unknown\n"), stderr); | |
429 | break; | |
430 | case WANT_COMMITTER_IDENT: | |
431 | fputs(_("Committer identity unknown\n"), stderr); | |
432 | break; | |
433 | default: | |
434 | break; | |
435 | } | |
436 | ||
437 | fputs(_("\n" | |
438 | "*** Please tell me who you are.\n" | |
439 | "\n" | |
440 | "Run\n" | |
441 | "\n" | |
442 | " git config --global user.email \"you@example.com\"\n" | |
443 | " git config --global user.name \"Your Name\"\n" | |
444 | "\n" | |
445 | "to set your account\'s default identity.\n" | |
446 | "Omit --global to set the identity only in this repository.\n" | |
447 | "\n"), stderr); | |
448 | } | |
749be728 | 449 | |
774751a8 | 450 | const char *fmt_ident(const char *name, const char *email, |
39ab4d09 | 451 | enum want_ident whose_ident, const char *date_str, int flag) |
6aa33f40 | 452 | { |
e8cbe211 PW |
453 | static int index; |
454 | static struct strbuf ident_pool[2] = { STRBUF_INIT, STRBUF_INIT }; | |
f9bc573f | 455 | int strict = (flag & IDENT_STRICT); |
359b27ad | 456 | int want_date = !(flag & IDENT_NO_DATE); |
c15e1987 | 457 | int want_name = !(flag & IDENT_NO_NAME); |
6aa33f40 | 458 | |
e8cbe211 PW |
459 | struct strbuf *ident = &ident_pool[index]; |
460 | index = (index + 1) % ARRAY_SIZE(ident_pool); | |
461 | ||
39ab4d09 WH |
462 | if (!email) { |
463 | if (whose_ident == WANT_AUTHOR_IDENT && git_author_email.len) | |
464 | email = git_author_email.buf; | |
465 | else if (whose_ident == WANT_COMMITTER_IDENT && git_committer_email.len) | |
466 | email = git_committer_email.buf; | |
467 | } | |
862e80a4 JK |
468 | if (!email) { |
469 | if (strict && ident_use_config_only | |
470 | && !(ident_config_given & IDENT_MAIL_GIVEN)) { | |
9ed104e5 | 471 | ident_env_hint(whose_ident); |
862e80a4 JK |
472 | die(_("no email was given and auto-detection is disabled")); |
473 | } | |
474 | email = ident_default_email(); | |
475 | if (strict && default_email_is_bogus) { | |
9ed104e5 | 476 | ident_env_hint(whose_ident); |
862e80a4 JK |
477 | die(_("unable to auto-detect email address (got '%s')"), email); |
478 | } | |
479 | } | |
480 | ||
59f92959 JK |
481 | if (want_name) { |
482 | int using_default = 0; | |
39ab4d09 WH |
483 | if (!name) { |
484 | if (whose_ident == WANT_AUTHOR_IDENT && git_author_name.len) | |
485 | name = git_author_name.buf; | |
486 | else if (whose_ident == WANT_COMMITTER_IDENT && | |
487 | git_committer_name.len) | |
488 | name = git_committer_name.buf; | |
489 | } | |
59f92959 | 490 | if (!name) { |
734c7789 | 491 | if (strict && ident_use_config_only |
d3c06c19 | 492 | && !(ident_config_given & IDENT_NAME_GIVEN)) { |
9ed104e5 | 493 | ident_env_hint(whose_ident); |
afb6c30b | 494 | die(_("no name was given and auto-detection is disabled")); |
d3c06c19 | 495 | } |
59f92959 JK |
496 | name = ident_default_name(); |
497 | using_default = 1; | |
498 | if (strict && default_name_is_bogus) { | |
9ed104e5 | 499 | ident_env_hint(whose_ident); |
afb6c30b | 500 | die(_("unable to auto-detect name (got '%s')"), name); |
59f92959 JK |
501 | } |
502 | } | |
503 | if (!*name) { | |
504 | struct passwd *pw; | |
505 | if (strict) { | |
506 | if (using_default) | |
9ed104e5 | 507 | ident_env_hint(whose_ident); |
afb6c30b | 508 | die(_("empty ident name (for <%s>) not allowed"), email); |
59f92959 JK |
509 | } |
510 | pw = xgetpwuid_self(NULL); | |
511 | name = pw->pw_name; | |
749be728 | 512 | } |
13b9a24e JK |
513 | if (strict && !has_non_crud(name)) |
514 | die(_("name consists only of disallowed characters: %s"), name); | |
92bcbb9b JK |
515 | } |
516 | ||
e8cbe211 | 517 | strbuf_reset(ident); |
c15e1987 | 518 | if (want_name) { |
e8cbe211 PW |
519 | strbuf_addstr_without_crud(ident, name); |
520 | strbuf_addstr(ident, " <"); | |
d9ccfe77 | 521 | } |
e8cbe211 | 522 | strbuf_addstr_without_crud(ident, email); |
c15e1987 | 523 | if (want_name) |
e8cbe211 | 524 | strbuf_addch(ident, '>'); |
359b27ad | 525 | if (want_date) { |
e8cbe211 | 526 | strbuf_addch(ident, ' '); |
c33ddc2e | 527 | if (date_str && date_str[0]) { |
e8cbe211 | 528 | if (parse_date(date_str, ident) < 0) |
afb6c30b | 529 | die(_("invalid date format: %s"), date_str); |
c33ddc2e JK |
530 | } |
531 | else | |
e8cbe211 | 532 | strbuf_addstr(ident, ident_default_date()); |
d9ccfe77 | 533 | } |
c33ddc2e | 534 | |
e8cbe211 | 535 | return ident->buf; |
6aa33f40 | 536 | } |
d289d136 | 537 | |
39ab4d09 | 538 | const char *fmt_name(enum want_ident whose_ident) |
d9ccfe77 | 539 | { |
39ab4d09 WH |
540 | char *name = NULL; |
541 | char *email = NULL; | |
542 | ||
543 | switch (whose_ident) { | |
544 | case WANT_BLANK_IDENT: | |
545 | break; | |
546 | case WANT_AUTHOR_IDENT: | |
547 | name = getenv("GIT_AUTHOR_NAME"); | |
548 | email = getenv("GIT_AUTHOR_EMAIL"); | |
549 | break; | |
550 | case WANT_COMMITTER_IDENT: | |
551 | name = getenv("GIT_COMMITTER_NAME"); | |
552 | email = getenv("GIT_COMMITTER_EMAIL"); | |
553 | break; | |
554 | } | |
555 | return fmt_ident(name, email, whose_ident, NULL, | |
556 | IDENT_STRICT | IDENT_NO_DATE); | |
d9ccfe77 JH |
557 | } |
558 | ||
774751a8 | 559 | const char *git_author_info(int flag) |
d289d136 | 560 | { |
d6991cee JK |
561 | if (getenv("GIT_AUTHOR_NAME")) |
562 | author_ident_explicitly_given |= IDENT_NAME_GIVEN; | |
563 | if (getenv("GIT_AUTHOR_EMAIL")) | |
564 | author_ident_explicitly_given |= IDENT_MAIL_GIVEN; | |
798123af | 565 | return fmt_ident(getenv("GIT_AUTHOR_NAME"), |
c7d77dab | 566 | getenv("GIT_AUTHOR_EMAIL"), |
39ab4d09 | 567 | WANT_AUTHOR_IDENT, |
749be728 | 568 | getenv("GIT_AUTHOR_DATE"), |
774751a8 | 569 | flag); |
d289d136 EB |
570 | } |
571 | ||
774751a8 | 572 | const char *git_committer_info(int flag) |
d289d136 | 573 | { |
91c38a21 | 574 | if (getenv("GIT_COMMITTER_NAME")) |
d6991cee | 575 | committer_ident_explicitly_given |= IDENT_NAME_GIVEN; |
91c38a21 | 576 | if (getenv("GIT_COMMITTER_EMAIL")) |
d6991cee | 577 | committer_ident_explicitly_given |= IDENT_MAIL_GIVEN; |
798123af | 578 | return fmt_ident(getenv("GIT_COMMITTER_NAME"), |
c7d77dab | 579 | getenv("GIT_COMMITTER_EMAIL"), |
39ab4d09 | 580 | WANT_COMMITTER_IDENT, |
749be728 | 581 | getenv("GIT_COMMITTER_DATE"), |
774751a8 | 582 | flag); |
d289d136 | 583 | } |
5aeb3a3a | 584 | |
d6991cee | 585 | static int ident_is_sufficient(int user_ident_explicitly_given) |
5aeb3a3a JH |
586 | { |
587 | #ifndef WINDOWS | |
588 | return (user_ident_explicitly_given & IDENT_MAIL_GIVEN); | |
589 | #else | |
590 | return (user_ident_explicitly_given == IDENT_ALL_GIVEN); | |
591 | #endif | |
592 | } | |
9597921b | 593 | |
d6991cee JK |
594 | int committer_ident_sufficiently_given(void) |
595 | { | |
596 | return ident_is_sufficient(committer_ident_explicitly_given); | |
597 | } | |
598 | ||
599 | int author_ident_sufficiently_given(void) | |
600 | { | |
601 | return ident_is_sufficient(author_ident_explicitly_given); | |
602 | } | |
603 | ||
39ab4d09 | 604 | static int set_ident(const char *var, const char *value) |
9597921b | 605 | { |
39ab4d09 WH |
606 | if (!strcmp(var, "author.name")) { |
607 | if (!value) | |
608 | return config_error_nonbool(var); | |
609 | strbuf_reset(&git_author_name); | |
610 | strbuf_addstr(&git_author_name, value); | |
611 | author_ident_explicitly_given |= IDENT_NAME_GIVEN; | |
612 | ident_config_given |= IDENT_NAME_GIVEN; | |
613 | return 0; | |
614 | } | |
615 | ||
616 | if (!strcmp(var, "author.email")) { | |
617 | if (!value) | |
618 | return config_error_nonbool(var); | |
619 | strbuf_reset(&git_author_email); | |
620 | strbuf_addstr(&git_author_email, value); | |
621 | author_ident_explicitly_given |= IDENT_MAIL_GIVEN; | |
622 | ident_config_given |= IDENT_MAIL_GIVEN; | |
623 | return 0; | |
624 | } | |
625 | ||
626 | if (!strcmp(var, "committer.name")) { | |
627 | if (!value) | |
628 | return config_error_nonbool(var); | |
629 | strbuf_reset(&git_committer_name); | |
630 | strbuf_addstr(&git_committer_name, value); | |
631 | committer_ident_explicitly_given |= IDENT_NAME_GIVEN; | |
632 | ident_config_given |= IDENT_NAME_GIVEN; | |
633 | return 0; | |
634 | } | |
635 | ||
636 | if (!strcmp(var, "committer.email")) { | |
637 | if (!value) | |
638 | return config_error_nonbool(var); | |
639 | strbuf_reset(&git_committer_email); | |
640 | strbuf_addstr(&git_committer_email, value); | |
641 | committer_ident_explicitly_given |= IDENT_MAIL_GIVEN; | |
642 | ident_config_given |= IDENT_MAIL_GIVEN; | |
4d5c2956 DA |
643 | return 0; |
644 | } | |
645 | ||
9597921b JK |
646 | if (!strcmp(var, "user.name")) { |
647 | if (!value) | |
648 | return config_error_nonbool(var); | |
8587ead7 JK |
649 | strbuf_reset(&git_default_name); |
650 | strbuf_addstr(&git_default_name, value); | |
d6991cee JK |
651 | committer_ident_explicitly_given |= IDENT_NAME_GIVEN; |
652 | author_ident_explicitly_given |= IDENT_NAME_GIVEN; | |
4d5c2956 | 653 | ident_config_given |= IDENT_NAME_GIVEN; |
9597921b JK |
654 | return 0; |
655 | } | |
656 | ||
657 | if (!strcmp(var, "user.email")) { | |
658 | if (!value) | |
659 | return config_error_nonbool(var); | |
8587ead7 JK |
660 | strbuf_reset(&git_default_email); |
661 | strbuf_addstr(&git_default_email, value); | |
d6991cee JK |
662 | committer_ident_explicitly_given |= IDENT_MAIL_GIVEN; |
663 | author_ident_explicitly_given |= IDENT_MAIL_GIVEN; | |
4d5c2956 | 664 | ident_config_given |= IDENT_MAIL_GIVEN; |
9597921b JK |
665 | return 0; |
666 | } | |
667 | ||
668 | return 0; | |
669 | } | |
662cc30c | 670 | |
5cf88fd8 | 671 | int git_ident_config(const char *var, const char *value, void *data UNUSED) |
39ab4d09 WH |
672 | { |
673 | if (!strcmp(var, "user.useconfigonly")) { | |
674 | ident_use_config_only = git_config_bool(var, value); | |
675 | return 0; | |
676 | } | |
677 | ||
678 | return set_ident(var, value); | |
679 | } | |
680 | ||
fd5a5847 JS |
681 | static void set_env_if(const char *key, const char *value, int *given, int bit) |
682 | { | |
0640897d | 683 | if ((*given & bit) || getenv(key)) |
fd5a5847 JS |
684 | return; /* nothing to do */ |
685 | setenv(key, value, 0); | |
686 | *given |= bit; | |
687 | } | |
688 | ||
689 | void prepare_fallback_ident(const char *name, const char *email) | |
690 | { | |
691 | set_env_if("GIT_AUTHOR_NAME", name, | |
692 | &author_ident_explicitly_given, IDENT_NAME_GIVEN); | |
693 | set_env_if("GIT_AUTHOR_EMAIL", email, | |
694 | &author_ident_explicitly_given, IDENT_MAIL_GIVEN); | |
695 | set_env_if("GIT_COMMITTER_NAME", name, | |
696 | &committer_ident_explicitly_given, IDENT_NAME_GIVEN); | |
697 | set_env_if("GIT_COMMITTER_EMAIL", email, | |
698 | &committer_ident_explicitly_given, IDENT_MAIL_GIVEN); | |
699 | } | |
700 | ||
662cc30c JK |
701 | static int buf_cmp(const char *a_begin, const char *a_end, |
702 | const char *b_begin, const char *b_end) | |
703 | { | |
704 | int a_len = a_end - a_begin; | |
705 | int b_len = b_end - b_begin; | |
706 | int min = a_len < b_len ? a_len : b_len; | |
707 | int cmp; | |
708 | ||
709 | cmp = memcmp(a_begin, b_begin, min); | |
710 | if (cmp) | |
711 | return cmp; | |
712 | ||
713 | return a_len - b_len; | |
714 | } | |
715 | ||
716 | int ident_cmp(const struct ident_split *a, | |
717 | const struct ident_split *b) | |
718 | { | |
719 | int cmp; | |
720 | ||
721 | cmp = buf_cmp(a->mail_begin, a->mail_end, | |
722 | b->mail_begin, b->mail_end); | |
723 | if (cmp) | |
724 | return cmp; | |
725 | ||
726 | return buf_cmp(a->name_begin, a->name_end, | |
727 | b->name_begin, b->name_end); | |
728 | } |